Template:Info/styles.css

.info-stack-container {
    max-width: 100%;
    border: 1px solid #AAA;
    border-left: 10px solid #36c; 
    background-color: #f8f9fa;
    padding: 10px 12px;
    margin: 8px 0; 
    box-sizing: border-box;
}

.info-stack-container + .info-stack-container {

    margin-top: -9px; 
}

.info-stack-inner {
    display: flex;
    align-items: center;
}

.info-stack-icon {
    margin-right: 12px;
    flex-shrink: 0;
    line-height: 0;
}

.info-stack-content {
    flex: 1;
    min-width: 0;
}

.info-stack-title {
    font-weight: bold;
    margin-bottom: 4px;
}